package com.zzyl.controller.manager;

import com.zzyl.base.ResponseResult;
import com.zzyl.file.FileStorageService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

import static com.zzyl.enums.BasicEnum.UPLOAD_FILE_EMPTY;

@Slf4j
@RestController
@RequestMapping("/common")
@Api(tags = "通用接口")
public class CommonController {

    @Autowired
    private FileStorageService fileStorageService;

    @ApiOperation("文件上传")
    @PostMapping("/upload")
    public ResponseResult upload(MultipartFile file){
        log.info("文件上传:{}",file);
        if(file.isEmpty()){
            return ResponseResult.error(UPLOAD_FILE_EMPTY);
        }
        try {
            //原始文件名
            String originalFilename = file.getOriginalFilename();
            //截取原始文件名的后缀    dfdfdf.png
            String extension = originalFilename.substring(originalFilename.lastIndexOf("."));
            //构造新文件名称
            String objectName = UUID.randomUUID().toString() + extension;

            //文件的请求路径
            String filePath = fileStorageService.store(objectName,file.getInputStream());
            return ResponseResult.success(filePath);
        } catch (IOException e) {
            throw new RuntimeException("上传图片失败");
        }

    }
}
